/*
 * @Description: 
 * @Author: 于海龙
 * @Date: 2024-09-03 10:23:18
 * @LastEditors: 于海龙
 * @LastEditTime: 2024-09-03 14:32:53
 */
public class Test_Nest{
    public static void main(String[] args){
        for(int i=1;i<=5;i++){
            for(int j=0;j<i;j++){
                System.out.print("*");

            }
            System.out.print("");
        }
    }
}
